docs: def _get_package_items(self):
          """Following Method gets all the item ids related to VS.
  
          Deprecated in favor of _get_upgrade_prices()
          """
          warnings.warn("use _get_upgrade_prices() instead",
                        DeprecationWarning)
          mask = [
              'description',
              'capacity',
              'units',
              'prices[id,locationGroupId,categories[name,id,categoryCode]]'
          ]
          mask = "mask[%s]" % ','.join(mask)
  
          package_keyname = "CLOUD_SERVER"
          package = self.ordering_manager.get_package_by_key(package_keyname)
  
          package_service = self.client['Product_Package']
          return package_service.getItems(id=package['id'], mask=mask)